From Keira Knightley Wavefront Wiki
A fansite or fan site, is a website created and maintained by a fan(s) or devotee(s) interested in a celebrity, thing, or a particular cultural phenomenon, be it book, television program, film, band, game or similar. In this case, it is about the actress Keira Knightley.
Fansites may offer specialized information on the subject, pictures taken from various sources, media downloads, links to other, similar fansites, and the chance to talk to other fans. The majority of fan websites feature things such as: Forums, Polls, News etc.